１対１
いちたいいち- 1one-to-one ; one-on-one Translated by Jiyomi
Other writings and readings
一対一いったいいち
nouns which may take the genitive case particle 'no' · noun (common) (futsuumeishi)
Kanji · tap to open
JMdict entry 1164560 · frequency rank 21. Source and licence.